We should be doing i-- on all error paths but we don't if the loop
finishes successfully. I've re-arranged this so that we don't read
beyond the end of acc_flag_to_pipe[] array.
Fixes: a49d25364dfb ("staging/atomisp: Add support for the Intel IPU v2")
Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com>
diff --git a/drivers/staging/media/atomisp/pci/atomisp2/atomisp_acc.c
b/drivers/staging/media/atomisp/pci/atomisp2/atomisp_acc.c
index 4c35a785c7d5..212e0a777b4b 100644
--- a/drivers/staging/media/atomisp/pci/atomisp2/atomisp_acc.c
+++ b/drivers/staging/media/atomisp/pci/atomisp2/atomisp_acc.c
@@ -472,10 +472,8 @@ int atomisp_acc_load_extensions(struct atomisp_sub_device
*asd)
acc_fw->fw,
acc_flag_to_pipe[i].pipe_id,
acc_fw->type);
- if (ret) {
- i--;
+ if (ret)
goto error;
- }
ext_loaded = true;
}
@@ -499,7 +497,7 @@ int atomisp_acc_load_extensions(struct atomisp_sub_device
*asd)
return 0;
error:
- for (; i >= 0; i--) {
+ while (--i >= 0) {
if (acc_fw->flags & acc_flag_to_pipe[i].flag) {
atomisp_css_unload_acc_extension(asd, acc_fw->fw,
acc_flag_to_pipe[i].pipe_id);
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